An object moves along a line in such a way that its position at time t is $s ( t ) = t ^ { 3 } - 6 t ^ { 2 } + 9 t + 3$ . Find the velocity and acceleration of the object at time t. When is the object stationary?

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The Answer of An object moves along a line in such a way that its position at time t is $s ( t ) = t ^ { 3 } - 6 t ^ { 2 } + 9 t + 3$ . Find the velocity and acceleration of the object at time t. When is the object stationary?

An Object Moves Along a Line in Such a Way s(t)=t3−6t2+9t+3s ( t ) = t ^ { 3 } - 6 t ^ { 2 } + 9 t + 3s(t)=t3−6t2+9t+3

An Object Moves Along a Line in Such a Way $s ( t ) = t ^ { 3 } - 6 t ^ { 2 } + 9 t + 3$